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  • 1.25Gbps 80km CWDM SFP Transceiver

1.25Gbps 80km CWDM SFP Transceiver

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Collections: SFP Transceivers

Vendor: skyward

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Features

* Data-rate of 1.25Gbps operation

* 18 CWDM DFB wavelengths laser and PIN photodetector for 80km transmission

* Compliant with SFP MSA and SFF-8472 with duplex LC receptacle

* Digital Diagnostic Monitoring: Internal Calibration or External Calibration

* Compatible with SONET OC-24-LR-1

* Compatible with RoHS

* +3.3V single power supply

* Operating case temperature: Standard 0 to +70°C, Industrial -40 to 85°C

1.25Gbps 80km CWDM SFP Transceiver1.25Gbps 80km CWDM SFP Transceiver1.25Gbps 80km CWDM SFP Transceiver

Applications

* Gigabit Ethernet

* Fiber Channel

* Switch to Switch interface

* Switched backplane applications

* Router/Server interface

* Other optical transmission systems

Description

The SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 80km transmission distance with SMF.

The transceiver consists of three sections: a uncooled CWDM DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

Absolute Maximum Ratings

Table 1 - Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Supply Voltage

Vcc

-0.5

4.5

V

Storage Temperature

Ts

-40

+85

°C

Operating Humidity

-

5

85

%

 

Recommended Operating Conditions

Table 2 - Recommended Operating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Operating Case Temperature

Standard

Tc

0

 

+70

°C

Power Supply Voltage

Vcc

3.13

3.3

3.47

V

Power Supply Current

Icc

 

 

300

mA

Data Rate

 

 

1.25

 

Gbps

 

Table3 -λC Wavelength Guide

λC Wavelength Guide

Code

λC

Unit

Code

λC

Unit

Code

λC

Unit

Code

λC

Unit

27

1270

nm

37

1370

nm

47

1470

nm

57

1570

nm

29

1290

nm

39

1390

nm

49

1490

nm

59

1590

nm

31

1310

nm

41

1410

nm

51

1510

nm

61

1610

nm

33

1330

nm

43

1430

nm

53

1530

nm

 

 

 

35

1350

nm

45

1450

nm

55

1550

nm

 

 

 

 

Optical and Electrical Characteristics

Table 4 - Optical and Electrical Characteristics

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

λc-6.5

λc

λc+6.5

nm

 

Spectral Width (-20dB)

∆λ

 

 

1

nm

 

Side Mode Suppression Ratio

SMSR

30

 

 

dB

 

Average Output Power

Pout

0

 

5

dBm

1

Extinction Ratio

ER

9

 

 

dB

 

Optical Rise/Fall Time (20%~80%)

tr/tf

 

 

0.26

ns

 

Data Input Swing Differential

VIN

400

 

1800

mV

2

Input Differential Impedance

ZIN

90

100

110

Ω

 

TX Disable

Disable

 

2.0

 

Vcc

V

 

Enable

 

0

 

0.8

V

 

TX Fault

Fault

 

2.0

 

Vcc

V

 

Normal

 

0

 

0.8

V

 

Receiver

Receiver Sensitivity

 

 

 

-23

dBm

3

Receiver Overload

 

-3

 

 

dBm

3

LOS De-Assert

LOSD

 

 

-24

dBm

 

LOS Assert

LOSA

-30

 

 

dBm

 

LOS Hysteresis

 

1

 

4

dB

 

Data Output Swing Differential

Vout

370

 

1800

mV

4

LOS

High

2.0

 

Vcc

V

 

Low

 

 

0.8

V

 

About US

Skyward telecom always take honesty as our motto and provide network security & computer asset management solutions to users in over 80 countries, which has been recognized by the market.

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CONTACT US

HongKong: 11th Floor, The Center, 99 Queen's Road Central, Central, Hong Kong.

8613556898274 support@skywardtel.com

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